:root {
  --crimson: #b3261a;
  --deep: #5a0f0a;
  --ember: #e8562a;
  --gold: #f6c453;
  --cream: #fbe7b5;
  --ink: #140b09;
  --jacket: #1c1412;
  --han: "Ma Shan Zheng", "DM Serif Display", serif;
  --serif: "DM Serif Display", "Ma Shan Zheng", Georgia, serif;
  --sans: "Inter", "Ma Shan Zheng", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;
}
* { box-sizing: border-box; margin: 0; }
html { scroll-behavior: smooth; overflow-x: hidden; }
body {
  min-width: 1180px;
  background: var(--ink);
  color: var(--cream);
  font: 16px/1.5 var(--sans);
  overflow-x: hidden;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }

/* buttons */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 26px; border-radius: 999px;
  font: 800 15px/1 var(--sans); letter-spacing: .02em;
  transition: transform .15s, box-shadow .15s, background .15s;
}
.btn:hover { transform: translateY(-2px); }
.btn-gold {
  background: linear-gradient(180deg, #ffd978, var(--gold) 55%, #e0a632);
  color: var(--deep);
  box-shadow: 0 4px 0 #9b5f12, 0 10px 24px rgba(0,0,0,.35);
}
.btn-gold:hover { box-shadow: 0 6px 0 #9b5f12, 0 14px 30px rgba(0,0,0,.4); }
.btn-ghost { border: 2px solid var(--cream); color: var(--cream); }
.btn-ghost:hover { background: var(--cream); color: var(--deep); }

/* nav */
.nav {
  position: fixed; inset: 0 0 auto 0; z-index: 20;
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 40px;
  background: linear-gradient(180deg, rgba(20,11,9,.82), rgba(20,11,9,0));
}
.brand { display: flex; align-items: center; gap: 12px; font: 26px/1 var(--serif); text-shadow: 0 2px 8px rgba(0,0,0,.6); }
.brand img { width: 40px; height: 40px; border-radius: 50%; box-shadow: 0 0 0 2px var(--gold); }
.nav nav { display: flex; align-items: center; gap: 28px; font-weight: 600; }
.nav nav > a:not(.btn):hover { color: var(--gold); }
.nav .btn { padding: 11px 20px; font-size: 14px; }

/* hero */
.hero { background: var(--deep); }
.banner { position: relative; }
.banner img { width: 100%; }
.sun-word {
  position: absolute;
  /* centred on the painted sun: x≈20.7%, y≈32% of the banner */
  left: 20.7%; top: 32%;
  transform: translate(-50%, -50%);
  font: 9.2vw/1 var(--han);
  color: var(--crimson);
  mix-blend-mode: multiply;
  opacity: .9;
  animation: bob 4.5s ease-in-out infinite;
  pointer-events: none;
}
@keyframes bob { 50% { transform: translate(-50%, -56%) rotate(-3deg); } }

.panel {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 40px;
  padding: 34px 56px 40px;
  background:
    radial-gradient(120% 140% at 0% 0%, rgba(246,196,83,.18), transparent 50%),
    linear-gradient(180deg, var(--crimson), var(--deep));
  border-top: 4px solid var(--gold);
}
.coin {
  width: 168px; height: 168px; margin-top: -110px;
  border-radius: 50%;
  box-shadow: 0 0 0 6px var(--gold), 0 18px 40px rgba(0,0,0,.45);
  animation: wave 3.2s ease-in-out infinite;
  transform-origin: 50% 90%;
}
@keyframes wave { 0%,100% { transform: rotate(0); } 20% { transform: rotate(-5deg); } 40% { transform: rotate(4deg); } 60% { transform: rotate(-2deg); } }
.kicker { display: flex; align-items: center; gap: 12px; font: 700 13px/1 var(--mono); letter-spacing: .18em; text-transform: uppercase; color: var(--gold); }
.seal {
  display: inline-grid; place-items: center;
  min-width: 34px; height: 34px; padding: 0 6px;
  background: var(--crimson); color: var(--cream);
  border: 2px solid var(--cream); border-radius: 6px;
  font: 22px/1 var(--han); letter-spacing: 0;
  transform: rotate(-6deg);
  box-shadow: 0 2px 0 rgba(0,0,0,.3);
}
h1 { margin-top: 6px; font: 86px/0.95 var(--serif); letter-spacing: -.01em; color: var(--cream); text-shadow: 0 4px 0 var(--deep); white-space: nowrap; }
h1 em, h2 em { color: var(--gold); }
.tag { margin-top: 12px; max-width: 46ch; font-size: 17px; color: #f7d9a8; }
.tag b { color: var(--gold); }

.panel-ca { display: grid; gap: 16px; justify-items: end; }
.ca {
  display: flex; align-items: center; gap: 14px;
  padding: 10px 10px 10px 18px;
  background: rgba(20,11,9,.55);
  border: 2px solid rgba(246,196,83,.55);
  border-radius: 14px;
}
.ca-label { font: 700 12px/1 var(--mono); color: var(--deep); background: var(--gold); padding: 6px 8px; border-radius: 6px; }
.ca code { font: 500 15px/1.35 var(--mono); color: var(--cream); word-break: break-all; max-width: 470px; }
.copy {
  flex: none; cursor: pointer;
  padding: 10px 18px; border: 0; border-radius: 10px;
  background: var(--cream); color: var(--deep);
  font: 800 14px/1 var(--sans);
  transition: background .15s, transform .15s;
}
.copy:hover { transform: translateY(-1px); background: #fff; }
.copy.done { background: var(--gold); }
.cta { display: flex; gap: 14px; }

/* marquee */
.marquee { overflow: hidden; background: var(--jacket); border-block: 3px solid var(--gold); padding: 14px 0; }
.track { display: flex; width: max-content; gap: 36px; align-items: center; animation: slide 32s linear infinite; }
.track span { font: 30px/1 var(--serif); letter-spacing: .06em; color: var(--cream); }
.track i { font: normal 30px/1 var(--han); color: var(--ember); }
@keyframes slide { to { transform: translateX(-50%); } }

/* scenes */
.scenes { background: var(--ink); }
.scene { position: relative; overflow: hidden; }
.scene + .scene { border-top: 6px solid var(--gold); }
.scene img { width: 100%; transform: scale(1.06); transition: transform 1.6s cubic-bezier(.2,.7,.2,1); }
.scene.in img { transform: scale(1); }
.card {
  position: absolute;
  display: grid; grid-template-columns: auto 1fr; column-gap: 18px; align-items: center;
  max-width: 470px;
  padding: 22px 28px 22px 22px;
  background: rgba(251,231,181,.94);
  color: var(--ink);
  border-radius: 6px;
  box-shadow: 0 0 0 3px var(--deep), 0 0 0 7px var(--gold), 0 24px 50px rgba(0,0,0,.45);
  opacity: 0; transform: translateY(24px);
  transition: opacity .7s .25s, transform .7s .25s;
}
.scene.in .card { opacity: 1; transform: none; }
.card .seal { grid-row: span 2; min-width: 58px; height: 58px; font-size: 36px; border-color: var(--deep); }
.card b { font: 40px/1.05 var(--serif); }
.card small { font-size: 16px; color: #4a2a20; }
.scene[data-pos="tl"] .card { top: 7%; left: 5%; }
.scene[data-pos="tr"] .card { top: 7%; right: 5%; }
.scene[data-pos="bl"] .card { bottom: 7%; left: 5%; }
.scene[data-pos="br"] .card { bottom: 7%; right: 5%; }
.scene[data-pos="bl-tight"] .card { bottom: 4%; left: 3%; }

/* finale */
.finale {
  position: relative;
  display: grid; grid-template-columns: auto 1fr; align-items: center; gap: 72px;
  padding: 110px 9vw 120px;
  overflow: hidden;
  background:
    radial-gradient(60% 90% at 18% 50%, rgba(246,196,83,.35), transparent 60%),
    linear-gradient(180deg, var(--ember), var(--crimson) 45%, var(--deep));
  border-top: 6px solid var(--gold);
}
.finale-coin {
  width: 440px; height: 440px; border-radius: 50%;
  box-shadow: 0 0 0 10px var(--gold), 0 0 0 16px var(--deep), 0 30px 70px rgba(0,0,0,.5);
  transform: rotate(-8deg) scale(.9); opacity: 0;
  transition: transform 1s cubic-bezier(.2,.8,.2,1.2), opacity .8s;
}
.finale.in .finale-coin { transform: rotate(0) scale(1); opacity: 1; }
.finale-copy { position: relative; display: grid; gap: 18px; justify-items: start; }
.big-han {
  position: absolute; right: -2vw; top: -120px; z-index: 0;
  font: 300px/1 var(--han); color: rgba(90,15,10,.38);
  pointer-events: none;
}
.finale-copy > * { position: relative; z-index: 1; }
h2 { font: 120px/0.95 var(--serif); color: var(--cream); text-shadow: 0 5px 0 var(--deep); }
.finale .tag { margin-top: 0; font-size: 20px; }

/* footer */
.foot {
  display: flex; justify-content: space-between; gap: 40px;
  padding: 26px 56px; background: var(--ink); color: rgba(251,231,181,.6);
  font-size: 13px; border-top: 1px solid rgba(246,196,83,.25);
}
.foot span:last-child { max-width: 640px; text-align: right; }

/* toast */
.toast {
  position: fixed; left: 50%; bottom: 32px; z-index: 30;
  padding: 14px 24px; border-radius: 999px;
  background: var(--gold); color: var(--deep); font-weight: 800;
  box-shadow: 0 12px 30px rgba(0,0,0,.4);
  transform: translate(-50%, 30px); opacity: 0; visibility: hidden;
  transition: transform .25s, opacity .25s, visibility .25s;
}
.toast.show { transform: translate(-50%, 0); opacity: 1; visibility: visible; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .card, .finale-coin { opacity: 1; transform: none; }
  .scene img { transform: none; }
}